In the first place, the preparation of the Nobel lecture which I am to give has shown me, even more clearly than I knew before, how many others share with me, often, indeed, have anticipated me, in the discoveries for which you have awarded me the prize.

It is curious to reflect, for example, upon the remarkable legend of the Philosopher's Stone, one of the oldest and most universal beliefs, the origin of which, however far back we penetrate into the records of the past, we do not probably trace its real source.

The pure air and dazzling snow belong to things beyond the reach of all personal feeling, almost beyond the reach of life. Yet such things are a part of our life, neither the least noble nor the most terrible.

To-day it appears as though it may well be altogether abolished in the future as it has to some extent been mitigated in the past by the unceasing, and as it now appears, unlimited ascent of man to knowledge, and through knowledge to physical power and dominion over Nature.